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Traitor's Head volcano

Stratovolcano 837 m / 2,746 ft
Vanuatu, -18.75°S / 169.23°E
Current status: dormant (1 out of 5) | Reports
Traitor's Head volcano books
Typical eruption style: unspecified
Traitor's Head volcano eruptions: 1881 
TimeMag. / DepthDistanceLocation
Fri, 17 Aug
Fri, 17 Aug 19:29 UTCM 5.0 / 214 km13 kmVanuatu Islands

Background:

The Traitor's Head Peninsula north of Cook Bay on eastern Erromango Island is comprised of three Holocene volcanic cones that are the youngest on the 50-km-long island. Mounts Rantop, Nagat, and Oulenou are small basaltic-to-andesitic stratovolcanoes with well-preserved morphologies. Mount Rantop is the largest, rising to 837 m, and 421-m-high Mount Oulenou is the most youthful looking, with an unbreached crater. A low plateau to the NW is underlain by ash deposits distributed by southeasterly trade winds. The volcanoes initially formed an offshore island that was joined to the mainland by uplift after volcanism ceased. A submarine vent offshore between the tip of the peninsula and Goat Island, 5 km to the NE, erupted in 1881, the only historical activity of the Erromango volcanoes.
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Smithsonian / GVP volcano information


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